ABOUT CARTAGENA Cartagena is a port city on Colombia’s Caribbean coast. By the sea is the walled Old Town, founded in the 16th century, with plazas, cobblestone streets, and colorful colonial buildings. Cartagena is as safe as it is beautiful, so you can travel with ease of mind. The wedding will take place inside the historic city center, which is inside the fortress walls. The historic city center is very intimate, convenient and easily walkable.