You need a visa for Türkiye if you have an Algerian passport

Travellers need a visa to visit Türkiye for Business or Tourism. Travellers aged between 15-18 and 35-65 who have a valid visa or residence permit for a Schengen country, the United States, the United Kingdom, or Ireland are eligible for an Electronic visitor visa. A Türkish eVisa is the fastest and easiest way of obtaining a visa for Türkiye because travellers can submit their application and supporting documents online. Once the application is approved, travellers receive their eVisa confirmation electronically. Travellers who don’t have a supporting document require a Visitor visa. A Visitor visa is typically a stamp or sticker added to the passport. Travellers must obtain this visa from a local embassy, consulate or visa center before travelling.