Basic information

| Attribute | Detail | | :--- | :--- | | **Official Name** | Kathmandu Valley Monument Zones | | **Common Name** | Kathmandu Monuments | | **Native Name(s)** | काठमाडौं उपत्यकाका स्मारकहरू (Kathmandu Upatyakaka Smarakharu) | | **Nicknames** | City of Temples, Open Air Museum | | **Motto** | Janani Janmabhumishcha Swargadapi Gariyasi (Mother and Motherland are greater than heaven) | | **Geographic Level** | Urban Heritage/Monument Zones | | **Country** | Nepal | | **State/Province** | Bagmati Province (Kathmandu District) | | **Capital** | Kathmandu (National Capital) | | **Government Type** | Metropolitan Municipality (overseen by Department of Archaeology) | | **Date Founded** | c. 2nd–5th Century CE (Licchavi period) | | **Time Zone** | Nepal Standard Time (UTC+05:45) | | **Latitude** | 27.7042° N | | **Longitude** | 85.3086° E | | **Elevation** | ~1,400 m (4,600 ft) | | **Total Area** | 167.37 hectares (UNESCO protected zones combined) | | **Population** | ~1.5 million (Kathmandu Metropolitan Area) | | **Population Density** | ~20,000 per sq km (in historical urban cores) | | **ZIP/Postal Codes** | 44600 | | **Area Codes** | +977-1 | | **Official Languages** | Nepali, Nepal Bhasa (Newari) | | **Currency** | Nepalese Rupee (NPR) | | **Demonym** | Kathmanduite / Newar (indigenous) |