The country known for having a coastline along the Mediterranean Sea and the Adriatic Sea is Italy. Italy's extensive coastlines feature beautiful beaches and vibrant seaside cities, making it a popular tourist destination. The Mediterranean coast includes famous regions like Cinque Terre and the Amalfi Coast, known for their picturesque landscapes and cultural heritage. Italy’s historical significance, artistic contributions, and culinary excellence further enhance its reputation as a top international travel destination, attracting millions of visitors annually.