Sentence:  Our next port of call after Tongoa was the northwest coast of the island of <WSD>Epi</WSD> where Vaemali Hospital is situated. ... The village of Vaemali on <WSD>Epi</WSD> has another claim to fame: it has an airfield which is a bit like a roller coaster.C 
Meaning of the word marked with <WSD> tags:  An island of volcanic origin in the province of Shefa, Vanuatu.