Simplify the following text for a Grade 1 native English-speaking person.
Original: Originally , the name Hilo applied to a district encompassing much of the east coast of the Island of Hawaii , now divided into South Hilo District and North Hilo District . When William Ellis visited in 1823 , the main settlement in Hilo district was WaiÄ kea on the south shore of Hilo Bay .
Simplified: They were known as the Hilo .