- Reliability
- Very high
Overall9.6/10Among the 5% fastest cities for internet
Good to know
Good to Know
- Zagreb has excellent home broadband availability with prices around €24–27/month; FTTH is available in central areas, making it reliable for remote work.
- All three major mobile carriers (HT, A1, Telemach) provide strong 5G/4G coverage in Zagreb with download speeds exceeding 100 Mbps; no single carrier dominates.
- Prepaid tourist SIMs are the quickest way to get connected on arrival—available at the airport (Tisak newsstand) and cost €2.50–€11 for short-term packages.
- e-SIM options are faster for instant activation before arrival; Airalo and Nomad offer 10GB plans for around €12.50, no registration needed.
- Monthly mobile data plans range €13–€27 with many offering unlimited data; EU roaming included for free on Croatian SIMs.
- Download speeds average 76–123 Mbps depending on carrier; Telemach has best reliability (98.9% uptime), HT has fastest speeds.
- Network congestion can dip during peak summer tourist season in beach resorts, but Zagreb remains stable year-round.
- Fibre-to-the-Home is expanding in Zagreb; if not available at your address, DSL/VDSL or cable are common fallbacks.
- Physical SIM cards do not require passport registration; anonymous purchase is standard practice at convenience stores and post offices.
- 5G in Zagreb offers exceptional performance in city center (1+ Gbps), with reliable 4G fallback throughout neighborhoods.
Home Broadband
- Typical Cost Per Month
- €24
- Technology Notes
- Fibre-to-the-Home available in Zagreb; DSL/VDSL common in outlying areas; cable broadband in select urban areas
Providers
Hrvatski Telekom
- Technology
- Fibre, DSL, VDSL, Cable
- Coverage Zagreb
- Excellent in city center, widespread fibre access
A1 Croatia
- Technology
- Fibre, DSL, Cable
- Coverage Zagreb
- Excellent in city center, widespread availability
Telemach
- Technology
- Fibre, Cable
- Coverage Zagreb
- Good coverage across city
Typical Speeds
- Upload Mbps
- 40
- Download Mbps
- 76
Mobile Connectivity
- e-SIM Options
- Available from Airalo, Nomad, Holafly; prices start around €12.50 for 10GB 30-day plans; instant activation via QR code
- Purchase Locations
- Airport (Tisak newsstand), operator retail stores, post offices, petrol stations, supermarkets; available without passport registration
Primary Carriers
Hrvatski Telekom (HT)
- 5g Available
- Yes
- Coverage Rating
- Best 4G coverage at 98% of country
- Upload Speed Mbps
- 21.8
- Download Speed Mbps
- 123.6
A1 Croatia
- 5g Available
- Yes
- Coverage Rating
- 96% of country
- Download Speed Mbps
- 101.8
Telemach
- 5g Available
- Yes
- Coverage Rating
- 97% of country, best network reliability
- Upload Speed Mbps
- 54.8
Prepaid SIM Costs
- SIM Card Alone
- €2.50
- Tourist Package 7 Days Unlimited
- €11
- Tourist Package 10 Days Unlimited
- €11
Monthly Mobile Data Cost Range
- Max
- €27
- Min
- €13
Connectivity Reliability Tier
Very high
Network Coverage And Reliability
- Typical 5g Speeds
- Up to 2 Gbps on 5G networks in city center; 1 Gbps+ download speeds exceeding 1 Gbps downtown
- Geographic Variation
- Urban areas (Zagreb, Split, Rijeka) have fastest and most reliable speeds; rural mountainous regions may experience weaker coverage
- Seasonal Considerations
- Network congestion can occur during peak summer tourist season in resort areas; generally stable in Zagreb year-round
- Zagreb Urban Performance
- Excellent; 5G coverage in city center and most neighborhoods; consistent 4G/LTE throughout
- Reliability Notes
- Telemach reports 98.9% network availability. All three carriers provide strong performance for browsing, messaging, streaming, and video calls.
Connectivity Reliability Tier Rationale
Zagreb offers widespread fibre/cable broadband from multiple providers, strong 4G/5G mobile coverage with high network availability reported by carriers, and easy, unrestricted e-SIM/SIM access, all indicating highly reliable connectivity for remote work.
General Characteristics
- EU Roaming
- EU roaming applies; prepaid SIMs include free EU/EEA roaming
- Infrastructure Quality
- Modern 4G/5G infrastructure in urban centers; progressive but not yet complete fibre rollout
- Registration Requirement
- Not mandatory for prepaid SIM purchase or use
- Broadband Technology Trends
- Fibre-to-the-Home (FTTH) at 39% of households nationally; Zagreb has above-average FTTH availability. DSL/VDSL remain common outside major cities.
AI-generated estimateData refreshed July 2026
Sources cited for this category
These are the sources cited in this connectivity & internet research for this city. Individual figures may not each trace to one of them.
- 1.expatfocus.com
- 2.speedgeo.net
- 3.prepaid-data-sim-card.fandom.com
- 4.bookiscout.com
- 5.esim.holafly.com
- 6.expatincroatia.com
- 7.phonetravelwiz.com
- 8.maukatravels.com
- 9.winiety24.eu
- 10.insights.opensignal.com
- 11.sparkroam.com
- 12.simcorner.com
- 13.croreal.com
- 14.croatiawise.com
- 15.expatistan.com
- 16.wise.com
- 17.phonetravelwiz.com
More About Zagreb
Data last updated July 2026 · Verify anything important.