The best areas to stay in Busan are Haeundae for its beach and amenities, and Seomyeon for its central location and transport links.Haeundae is Busan's most popular beach resort area, known for its long sandy Haeundae Beach. The area is well-developed with a promenade, numerous hotels, restaurants, and shops lining the streets directly behind the beach, such as Gunam-ro. It's a great choice for couples and families looking for a relaxing beach vacation with convenient access to dining and entertainment. Families will appreciate the Busan Aquarium located right on the beach and the pleasant walks along the coastline.Seomyeon is located in the heart of Busan, serving as a major transportation hub with two subway lines intersecting there. This area is characterized by its bustling streets, numerous department stores, underground shopping centers, and a wide array of dining options, from casual eateries to upscale restaurants.