Armăşeni lies 25 km far from Miercurea-Ciuc, 12 km from National Road 12, along the no. 123C road, at 822 m altitude. This village preserves our easternmost cultic relic from the age of the Arpads. The number of the inhabitants was 726 in 1992, all Magyars. The village can be approached along the no. 123 county road from Armăşeni Nou and along the no. 123 county road from Fitod.
It is situated in the Taploca Stream valley. Several mineral water springs can be found in its northeast part of which curative effect has been known for a long time. According to the tradition, gold was dug in one of the sidewaters of the stream. In the Őrálló 'Watching' Mountain limestone used in construction was exploited. The Szellő 'Breeze' Mountain (1,496 m) rises in the west. In the northeastern part of the village, mountains of 1,293 - 1,377 m height rise. The paths here saw a vivid trade towards Moldova.
Coşnea village lies south of Nileni-Armăşeni and Coşnea Mountain, running long on the border of Ciuc in the valley of the Sulita Stream. It is a single-row, waterside Csángó Magyar settlement. The locals call themselves Catholics. The chapel, with its little bell sounding to a great distance is one of the peculiarities of this canyon-village.
Roman Catholic Parish ChurchThe fortified church built on Romanic bases in late Gothic style in the 15th century appears on the List of Historical Monuments of Harghita county (1992). Many think it dates back to the age of the Arpadians (to the first half of the 13th century). Today this church is one of the most valuable cultic monuments of Lower Csík.
The Adorján Mansion (no. 431). The mansion of the Szekler nobleman is a beautiful material remain of folk architecture. It is registered among the historical monuments of Harghita county (1992). Walking in the village several interesting Szekler gates can be seen.
The statue made by Jenő Szervátiusz (The Wounded Soldier) erected in commemoration of the heroes of World war I stands at the southern gate of the churchyard. It appears among the artistic monuments of Harghita county (1992).