Name the easternmost capital city in Canada, which lies on the Avalon Peninsula on Newfoundland island.
St. Johns is the capital of New Foundland and Labrador, and is on the island of Newfoundland which is more east than any of the other provinces. The Avalon Peninsula is the peninsula which the Titanic sank beneath. Fredericton is New Brunswick's capital, Halifax is the capital of Nova Scotia, and Charlottetown is the capital of Prince Edward Island.