Silivri

Silivri, formerly Selymbria (Greek: Σηλυμβρία), is a municipality and district of Istanbul Province, Turkey. Its population is 217,163 (2022). It lies along the Sea of Marmara, outside the urban core of Istanbul, containing many holiday and weekend homes for residents of the city. The largest settlement in the district is also named Silivri.

defensive wall in Thrace

prison in İstanbul, Turkey

mosque in Turkey

1411 Venetian-Ottoman treaty