sentences:  These regions are overseen by the Irish Dance Teachers' Association of North America (IDTANA), which is under the auspices of An Coimisiún le Rinci Gaelacha (CLRG), the (international) Irish dance commission.Each region has its own officers, who contribute to organizing the Oireachtas.Usually each region's Oireachtas moves annually to different cities around the region, and area schools will serve as "hosts."