Complex sentence: Valby Hill marks the boundry between Valby and the, more central and urban, neighbouring Vesterbro district, and the expression "west of Valby Hill" is in Danish often used as a metonym for "the provinces" or "outside Copenhagen".
Split into simpler sentences: Valby Hill marks the boundry between Valby and the, more central and urban, neighbouring Vesterbro district. The expression "west of Valby Hill" is in Danish often used as a metonym for "the provinces" or "outside Copenhagen".