Information:  - Poole Harbour is a large natural harbour in Dorset, southern England, with the town of Poole on its shores. The harbour is a drowned valley (ria) formed at the end of the last ice age and is the estuary of several rivers, the largest being the Frome. The harbour has a long history of human settlement stretching to pre-Roman times. The harbour is extremely shallow (average depth: 48 cm), with one main dredged channel through the harbour, from the mouth to Holes Bay.  - Cork County Council is the authority responsible for local government in County Cork, Ireland. As a county council, it is governed by the Local Government Act 2001. The council is responsible for housing and community, roads and transportation, urban planning and development, amenity and culture, and environment. The council has 55 elected members. Elections are held every five years and are by single transferable vote. The head of the council has the title of Mayor. The county administration is headed by a Chief Executive, Tim Lucey The county seat is Cork County Hall in Cork. The 2015 Cork Local Government Review has recommended merging Cork City Council and Cork County Council into a single "super council"; however, a minority report opposes the merger.  - Halifax Harbour is a large natural harbour on the Atlantic coast of Nova Scotia, Canada, located in the Halifax Regional Municipality.  - Munster is one of the provinces of Ireland situated in the south of Ireland. In early Ireland, it was one of the "fifths" ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into counties for administrative and judicial purposes. In later centuries, local government legislation has seen further sub-division of the historic counties.  - Ballincollig is a satellite town and largest town in County Cork, Ireland, approximately 9 km west of Cork city. It is located beside the River Lee on the R608 regional road. In 2011 the population of Ballincollig DED was 17,368. The nearest towns include: Ballinora, Carrigohane, Kilnaglory, Ovens, Killumney, Inniscarra, Blarney (home of the Blarney Stone), and Tower. It is located beyond the Green Belt from the Cork city suburbs of Bishopstown and Wilton. Many of the people from Ballincollig commute to the city for work. It is a mainly residential town.  - County Cork is the largest and southernmost county in Ireland. It lies in the province of Munster and is named after the city of Cork. Cork County Council is the local authority for the county. Its largest settlements are Cork City, Ballincollig and Carrigaline. In 2016, the county's population was 542,196, making it the second most populous county in Ireland.  - Port Jackson, consisting of the waters of Sydney Harbour, Middle Harbour, North Harbour and the Lane Cove and Parramatta Rivers, is the ria or natural harbour of Sydney, New South Wales, Australia. The harbour is an inlet of the Tasman Sea (part of the South Pacific Ocean). It is the location of the Sydney Opera House and Sydney Harbour Bridge. The location of the first European settlement in Australia, Port Jackson has continued to play a key role in the history and development of Sydney.  - An estuary is a partially enclosed coastal body of brackish water with one or more rivers or streams flowing into it, and with a free connection to the open sea.  - Cork Harbour is a natural harbour and river estuary at the mouth of the River Lee in County Cork, Ireland. It is one of several which lay claim to the title of "second largest natural harbour in the world by navigational area" (after Port Jackson, Sydney). Other contenders include Halifax Harbour in Canada, and Poole Harbour in the United Kingdom.  - Carrigaline is a commuter town in County Cork, Ireland. It is about 14 km south of Cork city which can be reached by car in 25 minutes (along the R611, which passes through the town, and then the N28 RingaskiddyCork road). Carrigaline has grown rapidly in recent years, from a village of a few hundred people into a thriving town, although many locals still refer to it as "the village". The town is one of the key gateways to West Cork, especially for those who arrive by ferry from France.  - Crosshaven ( Irish : Bun an Tábhairne ) is a village in County Cork , Ireland . It is located in a scenic area with views of Currabinny Wood , and Cork Harbour .  - Ireland (Ulster-Scots: ) is an island in the North Atlantic. It is separated from Great Britain to its east by the North Channel, the Irish Sea, and St George's Channel. Ireland is the second-largest island of the British Isles, the third-largest in Europe, and the twentieth-largest on Earth.    What is the relationship between 'crosshaven' and 'human settlement'?
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