In which country is the city of Corinth?

Answer 1

You are probably thinking of the Greek city of Corinth, which was an independent city-state until 146 BC, when it was destroyed by the Roman army. Corinth was refounded 102 years later by General Julius Caesar, and had a quite diverse population, including, eventually, a significant Christian community. It is to this community that the two epistles to the Corinthians were directed. Since that time, Corinth has been destroyed and refounded multiple times, and is currently the capital of the Greek prefecture of Corinthia. I've added some linked to Wikipedia articles with further details.