Causeway Bay is an area and a bay on Hong Kong Island, Hong Kong, straddling the border of the Eastern and the Wan Chai districts. It is a major shopping, leisure and cultural centre in Hong Kong, with a number of major shopping centres. The rents in the shopping areas of Causeway Bay were ranked as the world's most expensive for the second year in a row in 2013, after overtaking New York City's Fifth Avenue in 2012. When referring to the area, the Cantonese name is never written in English as "Tung Lo Wan".

The Eastern District located on north-eastern part of Hong Kong Island, being one of the 18 administrative districts of Hong Kong. It had a population of 529,603 in 2021 The district has the second highest population while its residents have the third highest median household income among 18 districts.