Complex sentence: Molesey is located on the southern bank of the River Thames in the northeast of the borough of Elmbridge in Surrey, England, with the post town of East Molesey extending north across the Thames into the London Borough of Richmond upon Thames.
Split into simpler sentences: Molesey is located on the South bank of the River Thames in the northeast of the Borough of Elmbridge in the County of Surrey, in England. The post town of East Molesey extending north across the Thames into the London Borough of Richmond upon Thames.