Where to buy tickets to Topkapi Palace and other Istanbul attractions — online or at the entrance? Is there an audio guide available?

For Topkapi, consider a Russian-language guided tour rather than an audio guide: one Tripster option cost €40, had 4 participants in practice, and lasted about 3.5 hours rather than the advertised three.

At Dolmabahçe Palace, an audio guide may be provided free of charge. For two devices, a passport and US$100 were requested as a deposit.

For Dolmabahçe Palace, Trip.com entry tickets may require booking at least 2 hours before your intended entry time. Do not wait until you are at the gate to purchase online.

At Basilica Cistern, cash and UnionPay cards are not accepted — you need another card or help from locals/tourists to pay. Ticket price was 2250 TL. To avoid long lines, arrive early, around 8:45.

On Trip.com, Topkapi Palace tickets cost around 4,880 TL and include an audio guide, but it is typically in English only. Russian-language audio guides are rarely available on this platform — check the tour description carefully before buying. It's also not always clear whether the ticket is a combined one covering the Harem and other pavilions.

Tickets to Topkapi Palace can be purchased directly at the entrance. A combined ticket (including the Harem) costs around 2,750 TL. The audio guide must be bought separately. This can be cheaper than online options, but expect queues.

For visiting Istanbul's mosques, Basilica Cistern, and other major sights with an audio guide in your language, it's worth checking language availability in advance. Online platforms like Trip.com offer audio guide tours, but English is the most common option. Audio guides in other languages are more easily found through local tour operators or specialized services.