Wielki Kack is a southern district of Gdynia, historically associated with the Diocese of Włocławek and known since the Middle Ages. The settlement developed along the Kacza River, with the first mention of it dating back to 1277. In the 14th century, Wielki Kack became part of the Kacki estate, remaining a bishop's property until 1773. After the First Partition of Poland, the area fell into Prussian hands, and the village began to develop. In 1894, the Church of St. Lawrence was built, which still stands today. In the 20th century, important infrastructure projects were implemented, including railway lines, which influenced the further development of the district. After its incorporation into Gdynia in 1953, the construction changed the character of the buildings, from typical rural houses to apartment blocks. Wielki Kack is divided into several parts, including a long rural section with single-family homes and modern housing estates in Kacze Buki. The district is home to well-preserved monuments and interesting sites, such as the Marian Shrine (Kapliczka Źródło Marii), from which the stream of the same name originates. From a cultural perspective, Wielki Kack is vibrant with local festivals, such as the Festival at the Marian Spring (Festyn przy Źródle Marii) and Midsummer Night (Noc Świętojańska). The Kashubian-Pomeranian Association is active in the district, and the Church of St. Lawrence offers services in the Kashubian language. Scouting also has a strong presence here, with the Independent Circle of Scout Instructors "Leśna Szkółka" and active scout units that organize meetings and community-oriented initiatives. Wielki Kack is not only a place with a rich history but also a dynamically developing district where tradition and modernity coexist harmoniously.