Alexandria is the feminine of Alexander — from the Greek *Alexandros*, alexein (to defend) + aner (man) — and the name of more than 20 ancient cities founded by Alexander the Great, most famously **Alexandria, Egypt (founded 331 BCE), home of the Great Library of Alexandria — the largest library of the ancient world**, which housed an estimated 400,000+ scrolls and was the intellectual capital of the Hellenistic world. **A top-100 US baby name from 1989 to 2007**. **Alexandria Ocasio-Cortez (born 1989)** — **American politician; in 2018, at age 29, became the youngest woman ever elected to the United States Congress (NY-14)**; member of "The Squad"; one of the most-followed members of Congress on social media (8M+ Instagram followers). **Hypatia of Alexandria (c. 350-415 CE)** — Greek mathematician, astronomer, and Neoplatonist philosopher — covered separately as Hypatia (not yet in library). **Saint Catherine of Alexandria** — 4th-century Christian martyr (covered separately as Catherine). **Alexandria the Great** — Egypt's second-largest city; modern population 5.4 million. **Catherine the Great** — covered.
Featured throughout classical antiquity and modern politics.
Alexandria reduces to four — the number of Great Library.