Simplify the following text for a Grade 5 native English-speaking person.
Original: GonaÃ ves ( Gonayiv in KrÃ yÃ l ) is a city in northern Haiti , the capital of the Artibonite Department .
Simplified: GonaÃ ves ( KrÃ yÃ l : Gonayiv ) is a port city in western Haiti . It is the capital city of the Artibonite DÃ partement .