Fukuoka is a vibrant city on the northern shore of Japan's Kyushu Island, known for its delicious Hakata ramen, historic temples, and beautiful beaches. It's a fantastic destination for a budget-friendly trip with plenty of affordable street food, lively markets, and free or low-cost attractions like Ohori Park and Fukuoka Castle ruins. The city also offers excellent public transportation, making it easy to explore the surrounding island and nearby natural spots over 13 days.