Plaiesii de Jos (Kászonaltíz)
Plaiesii de Jos lies at the southern end of the Ciuc Mountains, on the eastern edge of the Casinu Basin. It is the central settlement of the Casinu Basin and the administrative centre of Casinu Mare (Plaiesii de Jos, Plaiesii de Sus and Imper). The village is situated to the southeast of Miercurea-Ciuc, 46 km far from the town. It can be approached turning left from Cozmeni through the Nyerges Peak along National Road 11B leading to Targu Secuiesc, then along the no. 121G county road from Casinu Nou (10 km). The village lies to the north of Targu Secuiesc, 28 km far from it. In 1992, the number of its inhabitants was 483, with the exception of 34 Romanians they were all Magyars.
The border of the village stretches in the vicinity of the Piripó of Sanmartin where the Répát Mountain rises (at the foot of the 1,300 m high Répát, the Répát spring comes to the surface). On the inner-village area three streams flow into the water of the Casinu Stream. The word 'ten' preserved in the name of the village (Kászonaltíz) refers to the settlement structure organised on family basis.
Roman Catholic Church It is registered among the monuments of Harghita county (1992). The church also known as the Casinu Nou church stands on one of the hills of Plaiesii de Jos called Egyházhágó. The Gothic church was built in the place of a former Romanesque church, partly on its bases, in the 15th century. The church surrounded by a bastioned stone-wall still preserves the polygonal chancel from the 15th century. The 69 cm baptismal font dates back to the Roman period.In the cemetery, the three-corded wooden crosses with their twisted carvings and rhyming epithaphs draw the visitors' attention.
Places of interest: the subalpine country, the mineral water springs ("Fehérko", "Répát", "Salutáris", "Veresszék", "Kicsiromlásmezo") The wooden house of Ágnes Tamás (No. 94) was built in the 19th century. The wooden gate of András Borbáth (No. 327) was built in 1886. These buildings are officially registered among the monuments of Harghita county (1992). The traditional folk architecture, the Shrovetide, the folk woodcarving and weaving are remarkable in the village. There is a significant dance house movement. The Casinu tiles were also famous. In the valley of the Nádaska Stream they used to burn tiles and bricks. As there are many plum-trees, distilling of brandy is also a significant occupation.
The settlement is recommended to the lovers of the Village tourism. The visitors have at their disposal the Guest-house of the Roman Catholic Church of Casinu Nou . Registration can be made at Menyhért Orbán parson (30 days earlier). Tel: 23. (Mail address: Parochia Romano-Catolica, 4134, Plaiesii de Jos, nr. 1., Jud. Harghita). There are 4 rooms and 8 beds, cold and hot water, bathroom, shower and toilets in the house. They accept donation (at will) in exchange for accommodation. Meals can be prepared in the kitchen equipped with a gas-stove and a refrigerator. There is a dispensary, a post office and a service station in the community.