Question: What is the green that centres the village where Greystoke Castle is located, surrounded by?
Context: Kuwabara Castle (桑原城 , Kuwabara-jō ) , also known as Takatoya Castle and Suisho Castle, is a "yamashiro" (castle located on a mountain) situated in Suwa, Nagano Prefecture, Japan.  The castle was constructed sometime in the fifteenth century by the Kuwabara clan.  By the time it came under the control of the Suwa clan, it had become a satellite castle to Uehara Castle.  When forces of the Takeda clan arrived in the area in 1542, the lord of Uehara Castle, Suwa Yorishige, retreated to Kuwabara Castle, which was soon surrounded by Takeda soldiers.  The castle fell after a two-day siege.  Yorishige and his two brothers were taken to Kofu.  A month later, they were forced to commit seppuku. Batenburg Castle (Kasteel Batenburg in Dutch) is located in the village of Batenburg, in the Gelderland province in the Netherlands.  Construction is thought to have started on the castle in 1300.  The castle is located on the northern edge of the village.  It is surrounded by a moat. The village Erdőbénye has 1600 inhabitants and is located 20 km from the town of Tokaj in Northern Hungary.  It lies in a valley surrounded by mountains and vineyards, in the middle of the famous wine-region ‘Tokaj-Hegyalja’, in Borsod-Abauj-Zemplen County.  The village is one of the centres for wine-production in this region.  There are more cellars in the village, where the regional wines can be tasted.  As the well-known old saying tells us: “Good wine, like Tokaj Aszu, needs a good wine-cask too…“, which is why the profession of cooper has a long tradition in this region.  The coopers of Erdőbénye are the only ones in the world who have preserved the tradition of the dance of the coopers, which has been handed down from father to son, and which they perform every summer at the “Festival of Coopers.” The South east Dorset conurbation (also known as the South Dorset conurbation, Poole-Bournemouth urban area and Bournemouth urban area) is a multi-centred conurbation on the south coast of Dorset in England.  The area is rapidly becoming an amalgamation with the area of South West Hampshire immediately on the fringe of the newly formed New Forest National Park.  The main population centres are Bournemouth, Poole and Christchurch; however, the urbanised area spreads as far east as Barton on Sea in Hampshire.  There are a number of satellite towns peripheral to these main urban centres.  In clockwise rotation these include: Wareham, Upton, Wimborne, Ferndown, Verwood and Ringwood (Hampshire).  The urban area is generally surrounded by a green belt. Greystoke is a village and civil parish on the edge of the Lake District National Park in Cumbria, England, about 4 mi west of Penrith.  The village centres on a green surrounded by stone houses and cottages. Nowy Wiśnicz Castle - a castle located on a forested hill by the River Leksandrówka in the village of Stary Wiśnicz, Lesser Poland Voivodeship; in Poland.  The castle was raised by Jan Kmita in the second half of the fourteenth century.  The castle was built in the Baroque architectural style with Renaissance elements.  The castle was built on the plan of the quadrilateral with the inner courtyard.  The castle has four towers, with one in each corner.  The castle is surrounded by bastion fortifications and the main gate from the early 17th century. Raglan Castle (Welsh: "Castell Rhaglan" ) is a late medieval castle located just north of the village of Raglan in the county of Monmouthshire in south east Wales.  The modern castle dates from between the 15th and early 17th-centuries, when the successive ruling families of the Herberts and the Somersets created a luxurious, fortified castle, complete with a large hexagonal keep, known as the Great Tower or the Yellow Tower of Gwent.  Surrounded by parkland, water gardens and terraces, the castle was considered by contemporaries to be the equal of any other in England or Wales.  During the English Civil War the castle was held on behalf of Charles I and was taken by Parliamentary forces in 1646.  In the aftermath, the castle was slighted, or deliberately put beyond military use; after the restoration of Charles II, the Somersets declined to restore the castle.  Raglan Castle became first a source of local building materials, then a romantic ruin, and is now a modern tourist attraction. Greystoke Castle is in the village of Greystoke 8 km west of Penrith in the county of Cumbria in northern England.  (grid reference [ NY435309] ). Cockfield is a village and civil parish located approximately 3+1/2 mi from Lavenham in Suffolk, England.  The village consists of a central point and several outlying hamlets: Buttons Green, Colchester Green, Cross Green, Great Green, Oldhall Green, Smithwood Green and Windsor Green.  Surrounded mostly by fields used for farming, and with few roads, its population was 839 in 2001, increasing to 868 at the 2011 Census. Teutonic Castle in Świecie (Polish: "Zamek krzyżacki w Świeciu") - a partial ruin located in Świecie.  The partial ruin is kept in full-shape from the bank of the river Vistula and Wda - together with a circular tower topped with merlons.  The castle is part of a complex built by the Teutonic Knights in the Gothic architectural style.  The castle was built on the site of a Pomeranian dukes' gord - located by the site of the castle.  Formerly the castle had four corner towers, one of which survived.  The castle is surrounded by a defensive wall and a moat.  In 1410 the castle was looted by Polish forces obliterated the castle.  The castle was owned by the Kingdom of Poland after the Second Peace of Thorn in 1466.  In the sixteenth century, Castellan Konopacki reconstructed the castle into the Renaissance architectural style.  The castle was devastated after the Deluge and since then was not rebuilt.  The castle was furthermore devastated after Prussian forces used the castle as training grounds.  Currently the castle houses a museum, with the tower and castle renovated.
Answer: stone houses and cottages.