Castlereagh may refer to:
People
*
Marquess of Londonderry, subsidiary title Viscount Castlereagh, used as courtesy title for the Marquess's eldest son; in particular
**
Robert Stewart, Viscount Castlereagh
Robert Stewart, 2nd Marquess of Londonderry, (18 June 1769 – 12 August 1822), usually known as Lord Castlereagh, derived from the courtesy title Viscount Castlereagh ( ) by which he was styled from 1796 to 1821, was an Anglo-Irish politician ...
(1769–1822), later 2nd Marquess of Londonderry: Anglo-Irish statesman and British Foreign Secretary.
Places
In Northern Ireland:
*
Castlereagh (borough)
Castlereagh ( ) was a local government district with the status of borough in Northern Ireland. It merged with Lisburn City Council in May 2015 under local government reorganisation in Northern Ireland to become Lisburn and Castlereagh City Co ...
, a local government district near Belfast
*
Castlereagh (County Down townland)
Castlereagh () is a townland and former hamlet in the civil parish of Knockbreda, barony of Castlereagh Lower, in County Down, Northern Ireland. It is southeast of Belfast and now at the fringe of the city's suburbs. The townland has an area of ...
which gives its name to the borough
*
Castlereagh (County Down barony), latterly divided into
**
Castlereagh Upper and
**
Castlereagh Lower
In the Republic of Ireland:
* County Mayo:
townlands in two baronies:
**
Castlereagh, Clanmorris, Crossboyne parish
**
Castlereagh, Tirawley, Killala parish
*
Castlereagh, County Offaly,
townland in Lemanaghan parish, Garrycastle barony
* County Roscommon:
**
Castlerea
Castlerea (; ) is the third largest town in County Roscommon, Ireland. It is located in the west of the county and had a population of 1,992 at the 2016 Census. Roughly translated from Irish, Castlerea is generally thought to mean 'brindled ca ...
, town
**
Castlereagh (County Roscommon barony), around the town
**
Castlereagh (County Roscommon townland),
townland around the town
*
Castlereagh, County Waterford,
townland in Kilronan parish, Glenahiry barony
In Australia:
*
Castlereagh, New South Wales
Castlereagh is a suburb of Sydney, in the state of New South Wales, Australia. Castlereagh is north-west of the Sydney central business district, in the local government area of the City of Penrith and is part of the Greater Western Sydney regi ...
, a suburb of Sydney
*
Castlereagh River
The Castlereagh River is located in the central–western district of New South Wales, Australia. It is part of the Macquarie-Castlereagh catchment within the Murray–Darling basin and is an unregulated river, meaning no dams or storage have be ...
, two rivers
*
Castlereagh Highway
Castlereagh Highway is a state highway located in New South Wales and Queensland, Australia. The highway's northern terminus is at a junction with Carnarvon Highway, south of , Queensland. Its southern terminus is at a junction with Great West ...
, a New South Wales state highway
*
Castlereagh Street
Castlereagh Street is a major street located in the Sydney central business district in New South Wales, Australia. The street runs in a north-to-south, in a one way direction only.
Description
Castlereagh Street's northern terminus is at the ...
, a street in CBD Sydney
Other places:
*
Castlereagh, Nova Scotia, a former village on the Bass River in Nova Scotia, Canada
*
Castlereagh Dam and Reservoir, in
Nuwara Eliya
Nuwara Eliya ( si, නුවර එළිය ; ta, நுவரெலியா) is a city in the hill country of the Central Province, Sri Lanka. Its name means "city on the plain (table land)" or "city of light". The city is the administrativ ...
district, Sri Lanka
Other uses
*
''The Castlereagh'' (Gilgandra), an early-20th-century newspaper in New South Wales, Australia
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