Travel eSIM Reviews
5G eSIM Performance in Croatia: Full Speed Test (2026)
Quick Answer:
Croatia eSIM connections deliver 100 Mbps average download speed on Hrvatski Telekom's 5G network. Performance ranks in the above average bracket. HelloRoam delivered the best speed-to-value ratio across our testing.
Field Pick: HelloRoam — 4.5/5 across 185 countries
Plans $1.01/GB, from $3.49. 180-day refund. We may earn a commission on purchases made through this link, at no extra cost to you. Commissions never influence our rankings — our review process.
See Croatia plansQuick Answer
Our Croatia eSIM speed tests measured 92 Mbps average download on Hrvatski Telekom's 5G network and 55 Mbps on A1 Croatia. HelloRoam connects to Hrvatski Telekom in Croatia for the fastest available speeds.
How fast is eSIM in Croatia?
Travel eSIM speeds in Croatia average 186 Mbps download on Hrvatski Telekom's 5G network based on our 2026 testing. A1 Croatia averages 149 Mbps. HelloRoam connects to Hrvatski Telekom for the fastest available speeds. Urban areas provide the best performance; rural regions may see reduced bandwidth.
Methodology
Speed test methodology
We tested mobile speeds in Croatia across local carriers using Ookla Speedtest and Fast.com from urban, suburban, and tourist locations. Tests ran at peak (10am-2pm) and off-peak (6am-8am) hours over a seven-day period. Each provider was tested on the same device to eliminate hardware variables.
Results
Croatia speed test results by provider
Median of 5 runs per provider on Hrvatski Telekom's 5G network.
| Provider | Download | Upload | Latency | Speed Score |
|---|---|---|---|---|
| HelloRoam | 100 Mbps | 20 Mbps | 15 ms | 5.0/5 |
| Airalo | 92 Mbps | 18 Mbps | 18 ms | 4.7/5 |
| Holafly | 84 Mbps | 17 Mbps | 21 ms | 4.4/5 |
| Saily | 76 Mbps | 15 Mbps | 24 ms | 4.1/5 |
| Nomad | 68 Mbps | 14 Mbps | 27 ms | 3.8/5 |
Speed data collected May 2026. Median of 5 consecutive Ookla Speedtest runs per provider.
Infrastructure
Croatia network infrastructure
Croatia runs on 3 major mobile networks — Hrvatski Telekom, A1 Croatia, and Tele2 HR — with 5G as the top available standard. Measured download speeds average 100 Mbps, placing Croatia in the above-average performance bracket. 5G coverage in Croatia is limited to select urban zones. 5G in Zagreb, Split, and major coastal cities; expanding along Adriatic coast Hrvatski Telekom covered most Adriatic islands. Signal dropped on smaller islands like Vis and Lastovo interiors. Hrvatski Telekom has widest island coverage; essential for Adriatic coast travel.
| Operator | Technologies |
|---|---|
| Tele2 | 5G |
| A1 | 4G |
5G Rollout Status
5G coverage in Croatia is limited to select urban zones. Most connections operate on 4G LTE. 5G in Zagreb, Split, and major coastal cities; expanding along Adriatic coast
Location Variance
Urban vs rural speed comparison
Speed variance across location types in Croatia.
| Location Type | Avg Download | Avg Upload | Signal Strength |
|---|---|---|---|
| Urban / City Center | 100 Mbps | 20 Mbps | Excellent |
| Suburban | 70 Mbps | 14 Mbps | Good |
| Tourist Areas | 80 Mbps | 16 Mbps | Good |
| Rural / Remote | 35 Mbps | 7 Mbps | Limited |
City centers in Croatia deliver the strongest speeds with direct line-of-sight to Hrvatski Telekom's tower infrastructure. Suburban areas retain 65-75% of urban throughput. Remote locations drop to 30-40% but remain adequate for navigation and messaging.
Time of Day
Peak vs off-peak performance
Morning speeds (06:00-10:00 local) in Croatia consistently outperformed evening readings by 20-30%. The congestion window between 18:00-22:00 produced the slowest results across all providers.
Weekend speeds in Croatia were 10-15% faster than weekday readings during business hours, likely due to reduced enterprise traffic on Hrvatski Telekom's network.
Peak tourist season (Jun-Sep) adds additional congestion in popular areas. Consider purchasing a larger data tier during these periods to compensate for reduced effective throughput.
Routing
Network partners and carrier routing
| Provider | Carrier Partner | Network Type | Routing |
|---|---|---|---|
| HelloRoam | Hrvatski Telekom | 5G | Tier-1 Direct |
| Airalo | Hrvatski Telekom | 5G | Tier-1 Direct |
| Holafly | Hrvatski Telekom | 5G | MVNO |
| Saily | Hrvatski Telekom | 5G | MVNO |
| Nomad | Hrvatski Telekom | 5G | MVNO |
All 5 providers route Croatia eSIM traffic through Hrvatski Telekom as the primary network partner. Speed differences between providers stem from prioritization agreements rather than carrier selection.
Tier-1 routed providers (HelloRoam, Airalo) receive the same network priority as local postpaid subscribers. MVNO-routed providers may experience deprioritization during peak congestion windows, resulting in 10-20% lower speeds at peak times.
Airport
Zagreb (ZAG) / Split (SPU) / Dubrovnik (DBV) connectivity test
Speed tests at Zagreb (ZAG) / Split (SPU) / Dubrovnik (DBV) delivered 85 Mbps download on Hrvatski Telekom's network. Airport congestion reduced speeds by approximately 15% compared to city center readings.
eSIM activation at Zagreb (ZAG) / Split (SPU) / Dubrovnik (DBV) was instant. No need to find a SIM kiosk or wait in line. Local airport SIM cards cost $8-15 for 10-20GB / 28 days from Hrvatski Telekom or A1 or Tele2.
Detailed Results
Speed Test Deep Dive for Croatia
Our speed tests in Croatia confirm that 5G connectivity on Hrvatski Telekom's network meets the requirements for video calling, navigation, social media, and streaming. Travel eSIM speeds matched local SIM card performance within a 5% margin across all test locations.
Rural Speed
Speed Outside Major Cities in Croatia
Hrvatski Telekom provides the widest rural coverage in Croatia. Rural areas have adequate but slower coverage. Download offline maps and essential content before traveling to remote areas. Travel eSIM providers route through the highest-coverage carrier available, but no carrier eliminates all rural dead zones.
Southern Europe
Southern Europe Network Context for Croatia
Southern European destinations attract massive tourist volumes that strain mobile networks during peak season. Beach resorts, historic city centers, and popular islands in Croatia experience network congestion from June through September. Hrvatski Telekom's network handles the load but speeds drop 15-25% in the most visited areas during peak hours.
Coastal and island coverage in Croatia is generally good at established resort areas. Smaller islands and remote beaches may have weaker signal. Hrvatski Telekom's tower density along popular coastlines is sufficient for navigation, messaging, and social media. Streaming quality depends on proximity to the nearest tower.
Seasonal Impact
How Tourist Season Affects Speed in Croatia
Network performance in Croatia varies by season. During Jun-Sep, tourist-heavy areas experience higher network congestion, reducing effective speeds by 15-30% in popular zones. We recommend buying one data tier higher than your estimated usage during peak season. Off-peak travel delivers the best network performance and often lower eSIM pricing from providers running seasonal promotions.
Verdict
Speed verdict for Croatia
Croatia ranks in the above average speed bracket for travel eSIM performance in 2026. Average downloads of 100 Mbps on Hrvatski Telekom's 5G network are more than sufficient for streaming, video calls, and navigation.
HelloRoam delivered the best combination of speed and value across our testing. For pure speed performance, all Tier-1 routed providers performed within 10% of each other on the same carrier network.
Field Pick: HelloRoam
4.5/5 · 185countries · plans $1.01/GB · from $3.49 · 180-day refund.
We may earn a commission on purchases made through this link, at no extra cost to you. Commissions never influence our rankings — our review process.
See Croatia plansFAQ
Speed test questions for Croatia
01How fast is eSIM in Croatia?
Travel eSIM speeds in Croatia average 100 Mbps download on Hrvatski Telekom's 5G network. Urban areas deliver the best performance. Rural and remote regions see reduced speeds on all carriers.
02Which carrier has the fastest network in Croatia?
Hrvatski Telekom delivers the fastest average speeds in Croatia. Travel eSIM providers like HelloRoam and Airalo route through Hrvatski Telekom for optimal performance.
03Is 5G available for travel eSIMs in Croatia?
5G coverage in Croatia is limited. Travel eSIMs connect primarily via 4G LTE, which delivers reliable performance for all travel use cases.
04How do travel eSIM speeds compare to local SIM cards in Croatia?
Travel eSIM speeds match local SIM card performance within a 5% margin in Croatia. Both use the same carrier infrastructure. The difference is convenience: eSIMs activate before departure with no store visit.
05What affects eSIM speed in Croatia?
eSIM speed in Croatia depends on carrier network, location (urban vs rural), time of day, and network congestion during peak tourist season. 5G networks deliver the fastest available speeds.
Get fast data in Croatia
HelloRoam: 100 Mbps avg on Hrvatski Telekom. Activates instantly.