Preposition: of

• island: Pemba is the northernmost of the two islands that make up Zanzibar.

Modifies a noun

• terminus: It features the northernmost terminus of the Kent & East Sussex Railroad and is the birthplace of pioneering printer William Caxton.

• province: The highest fecundity rate is in the northernmost province of Niassa where the average woman bears 6.8 children.

• tip: To view the Rift Valley from its northernmost tip, head for the Dana Nature Reserve, in Jordan.

• island: The gravel event is based on Japan's northernmost island of Hokkaido.

• point: Here we have reached the northernmost point in England.

• county: At the very top of Ireland, Donegal is the northernmost county in the country.