Complex sentence: The 15th district encompasses all of the city's Harbor area and the Los Angeles port, which includes the communities of San Pedro, Wilmington, Vinegar Hill, Harbor City, and Harbor Gateway.
Split into simpler sentences: The 15th district encompasses all of the city's Harbor area and the Port of Los Angeles. This includes the communities and neighborhoods of San Pedro, Wilmington, Vinegar Hill, Harbor City, and the Harbor Gateway.