a historic old oak tree was taken down from outside the HSBC bank. When the Maes was re-opened in July 2009 by the local politician and Heritage Minister of Wales, Alun Ffred Jones AM, he said, "the use of beautiful local slate is very prominent in the new Maes." There are many old public houses serving the town, including The Four Alls, The Anglesey Arms Hotel, The Castle Hotel, The Crown, Morgan Lloyd, Pen Deitch and The Twthill Vaults. The oldest public house in Caernarfon is the Black Boy Inn, which remained in the same family for over 40 years until sold in 2003 to a local independent family business. The pub has stood inside Caernarfon's Town Walls since the 16th century, and many people claim to have seen ghosts within the building. In and around the Town Walls are numerous restaurants, public houses and inns, and guest houses and hostels. Local government Gwynedd Council's head offices are situated in the town. The Caernarfon parliamentary constituency was a former electoral area centred on Caernarfon. Caernarfon is now part of the Arfon constituency for both the UK Parliament and the Senedd. The town is twinned with Landerneau in Brittany. At the local level, Caernarfon Royal Town Council consists of 17 town councillors, elected from the wards of Cadnant (3), Canol Tref Caernarfon (3), Hendre (3), Menai (4) and Peblig (4). The current Mayor is Councillor Maria Veronica Sarnacki. Demography The population in 1841 was 8,001. The population of Caernarfon Community Parish in 2001 was 9,611. Caernarfon residents are known colloquially as "Cofis". The word "Cofi" is also used locally in Caernarfon to describe the local Welsh dialect, notable for a number of words, not in use elsewhere. Within Wales, Gwynedd has the highest proportion of speakers of the Welsh language. The greatest concentration of Welsh speakers in Gwynedd is found in and around Caernarfon. According to the 2011 census, 85.8% of residents were born in Wales, one of the highest proportions in Gwynedd, and 77.0% reported a 'Welsh only' national identity. Landmarks Caernarfon Castle The present castle building was constructed between 1283 and 1330 by the order of King Edward I. The banded stonework and polygonal towers are thought to have been in imitation of the Walls of Constantinople. The impressive curtain wall with nine towers and two gatehouses survive largely intact. Caernarfon Castle is now under the care of Cadw