Visa types granted by United Kingdom are;
Here are some eTA articles that might help you.
British Vice Consulate in Antalya, TurkeyGürsu Mahallesi 324.Sokak No: 6KonyaaltiAntalyaTurkey
British Honorary Consulate in Fethiye, TurkeyAtatürk Caddesi Likya Is Merkezi Kat: 2 No 20248300 FethiyeTurkey
British Consulate General in Istanbul, TurkeyMesrutiyet Caddesi No 34Tepebasi, BeyogluPK 33Istanbul 80050Turkey
British Embassy in Ankara, TurkeySehit Ersan Caddesi, 46/ACankayaAnkaraTurkey
British Honorary Consulate in Bodrum, TurkeyCafer Pasa Cad.2. Emsan Evleri No:7BodrumTurkey
British Honorary Consulate in Marmaris, Turkeyc/o Yesil Marmaris Tourism and Yacht Management IncBarbaros Caddesi No 13P.K. 848700 MarmarisTurkey