Regio (pl. ''regiones'') is the Latin word for ‘ region’ and the Italian word for ‘royal’ It may refer to: * Regiopolis, a concept for urban centers in between metropolitan areas.

Ancient toponymy

* Regiones of Augustan Italy, the departments in which Roman Emperor Augustus divided Italy. *

14 regions of the Augustan Rome Fourteen or 14 may refer to: * 14 (number), the natural number following 13 and preceding 15 * one of the years 14 BC, AD 14, 1914, 2014 Music * 14th (band), a British electronic music duo * ''14'' (David Garrett album), 2013 *''14'', an unrele ...

, in ancient Rome as a name for quartiers of the city of Rome *

14 regions of Medieval Rome During the Middle Ages, Rome was divided into a number of administrative regions (Latin, ''regiones''), usually numbering between twelve and fourteen, which changed over time. Evolution of the Regions Originally the city of Rome had been divided by ...

, resulting from the redivision of the Rome after the revolution of 1143 *Regio, in ancient Constantinople as a name for the 14 quarters of the city of Constantinople, defined in analogy with those of Rome * Regio Aromatica, name for the Horn of Africa *'' Regiones'', administrative subdivisions of the kingdoms of Anglo-Saxon England

Astronomy

Regio (astronomy) Planetary geology, alternatively known as astrogeology or exogeology, is a planetary science discipline concerned with the geology of the celestial bodies such as the planets and their moons, asteroids, comets, and meteorites. Although the geo ...

, which, in planetary geology, is a large area of a planet or moon that is strongly differentiated in colour or albedo **A regio of Venus: ***

Alpha Regio Alpha (uppercase , lowercase ; grc, ἄλφα, ''álpha'', or ell, άλφα, álfa) is the first letter of the Greek alphabet. In the system of Greek numerals, it has a value of one. Alpha is derived from the Phoenician letter aleph , which ...

*** Asteria Regio ***

Beta Regio Beta Regio is a region of the planet Venus known as a ''volcanic rise''. Measuring about in extent, it constitutes a prominent upland region of Venus centered at . The first features that showed up in early radar surveys of the planet were given ...

*** Ovda Regio **A regio of Pluto: ***

Cthulhu Regio Cthulhu Macula (formerly ''Cthulhu Regio'') is a prominent surface feature of the dwarf planet Pluto, that is reminiscent of a whale in shape. It is an elongated dark region along Pluto's equator, long and one of the darkest features on Pluto. ...

*** Lowell Regio *** Tombaugh Regio **A regio of Titan: *** Tui Regio **A regio of Ganymede: *** Galileo Regio **A regio on Phoebe: *** Leto Regio **A regio on Iapetus: *** Cassini Regio

Ancient toponymy

Astronomy

See also