San Carlos is a charming city located in the Rio San Juan Region of Nicaragua. Situated on the southern shore of Lake Nicaragua, it is a bustling hub for both locals and tourists alike. The city is known for its picturesque waterfront, with colorful buildings lining the shores and offering stunning views of the lake and surrounding landscape. San Carlos is a vibrant and lively city, with a bustling central market where visitors can find a variety of local goods and handicrafts. The city is also home to a number of historic landmarks, including the San Carlos Fortress, which dates back to the 17th century and offers a glimpse into the region's colonial past.