eastern hemisphere

noun

1. the eastern part of the terrestrial globe, including Asia, Africa, Australia, and Europe.

noun (often capitals)

1. that half of the globe containing Europe, Asia, Africa, and Australia, lying east of the Greenwich meridian
2. the lands in this, esp Asia

1. The half of the Earth that includes Europe, Africa, Asia, and Australia, as divided roughly by the 0° and 180° meridians. See more at prime meridian.