Complex sentence: Urban civil parishes continued to exist, and were generally coterminous with the urban district, municipal borough or county borough in which they were situated; many large towns contained a number of parishes, and these were usually merged into one.
Split into simpler sentences: Urban civil parishes continued to exist, and were generally coterminous with the urban district, municipal borough or county borough in which they were situated. Many large towns contained a number of parishes, and these were usually merged into one.