Espressolab Sultanahmet Gülhane

esat kocadağ started this in a single university kiosk in 2014. that detail matters because it explains the ambition behind everything that followed. the merter roastery, a converted paper factory that opened in 2022, is genuinely enormous, and walking through it feels less like visiting a café and less like visiting a factory, more like both at once. they source from ethiopia, brazil, guatemala and kenya, and they produce their own milk from a farm in kırklareli, which is an unusual level of vertical integration for any roaster. 390 locations across seventeen countries now.