Ghazni, historically known as Ghaznain (غزنين) or Ghazna (غزنه), also transliterated as Ghuznee, and anciently known as Alexandria in Opiana, is a city in southeastern Afghanistan with a population of around 190,000 people. The city is strategically located along Highway 1, which has served as the main road between Kabul and Kandahar for thousands of years. Situated on a plateau at 2,219 metres (7,280 ft) above sea level, the city is 150 kilometres (93 mi) south of Kabul and is the capital of Ghazni Province. The name Ghazni drives from the Persian word "ganj", meaning ‘treasure’.

The Citadel of Ghazni is a large medieval fortress located in Ghazni city, east-central Afghanistan. It was built in the 13th century surrounding the Ghazni town to form a walled city. The 45 metre high citadel dominates the skyline.