What is "merrivale"

Merrivale is a placename:

• Merrivale, KwaZulu-Natal is a small town in the midlands of KwaZulu-Natal Province
• Merrivale, Gauteng was a small gold mining town in Gauteng but now a military facility.
• Merrivale, Durban is a suburb of Durban

• Merrivale, Devon, hamlet with nearby neolithic stone rows (formerly also spelled Merivale)
• Merrivale, Herefordshire, a suburb of Ross-on-Wye