It depends on your nationality. Some travelers can enter visa-free, while others need an e-Visa.

Check your requirements here: https://www.evisa.gov.tr/en/

Late May in Istanbul is warm and sunny, with temperatures ranging from 18°C to 26°C (64-79°F).

It’s a great time for sightseeing, Bosphorus cruises, and outdoor dining. Pack light layers for the daytime and a light jacket for the cooler evenings. Comfortable walking shoes are essential, as you'll be exploring on foot.

Don’t forget to bring a hat or sunglasses for sun protection and a small umbrella in case of light rain.

Yes, Istanbul is generally safe for tourists.

Stick to well-lit areas at night, watch out for pickpockets in crowded places, and use official taxis (BiTaksi) or ride-hailing apps like Uber.

You can easily stay connected by getting a local SIM card from the airport or local stores (Turkcell, Vodafone).

Alternatively, you can use Wi-Fi, which is widely available in most cafes, hotels, and public areas. Free Wi-Fi is often offered at major tourist spots as well.

eSim's are also an option, available from various providers such as:

Vodafone: https://travel.vodafone.com/europe-esim/turkey

Airalo: https://www.airalo.com/turkey-esim

Nomad: https://www.getnomad.app/turkey-eSIM

Note for visitors from the EU & UK: Free roaming under EU/UK directives do not apply in Türkiye. We strongly recommend obtaining a local SIM or eSIM for your travel.