The Bistrița Mountains are mountain ranges in northern central Romania

Romania

Romania is a country located at the crossroads of Central and Southeastern Europe, on the Lower Danube, within and outside the Carpathian arch, bordering on the Black Sea...

.

Geologically these ranges are considered part of the Inner Eastern Carpathians group of the Eastern Carpathians. Within Romania, however, it's traditional to divide the Eastern Carpathians in Romanian territory into three geographical groups (north, center, south), instead in Outer and Inner Eastern Carpathians. The Romanian categorization is indicated below.

The Bistrița ranges consist of:

• the Bistriţa Mountains
  Bistrița Mountains
  The Bistrița Mountains are mountain ranges in northern central Romania.Geologically these ranges are considered part of the Inner Eastern Carpathians group of the Eastern Carpathians...
  
   (Munții Bistriței) per se, i.e. Pietrosul Massif (Masivul Pietrosul; literally: Rocky Massif) + Budacul Massif (Masivul Budacul) + Ceahlău Massif
  Ceahlau Massif
  The Ceahlău Massif is one of the most notorious mountains of Romania. It is part of the Bistriţa Mountains range of the Eastern Carpathians division, in Neamţ County, in the Moldavia region. The two most important peaks are Toaca and Ocolaşul Mare...
  
   (Masivul Ceahlău), the latter sometimes considered a distinct range. In Romania these are considered part of the central Carpathians of Moldavia
  Moldavia
  Moldavia is a geographic and historical region and former principality in Eastern Europe, corresponding to the territory between the Eastern Carpathians and the Dniester river...
  
   and Transylvania
  Transylvania
  Transylvania is a historical region in the central part of Romania. Bounded on the east and south by the Carpathian mountain range, historical Transylvania extended in the west to the Apuseni Mountains; however, the term sometimes encompasses not only Transylvania proper, but also the historical...
  
   (Munții Carpați Moldo-Transilvani), or "MMT"
• Mestecăniş Ridge (Obcina Mestecăniș). In Romania these are considered part of the northern Carpathians of Maramureş
  Maramures
  Maramureș may refer to the following:*Maramureș, a geographical, historical, and ethno-cultural region in present-day Romania and Ukraine, that occupies the Maramureș Depression and Maramureș Mountains, a mountain range in North East Carpathians...
  
   and Bucovina (Munții Carpați ai Maramureșului și Bucovinei), or "MMB"
• Dorna Depression (Depresiunea Dornei) MMB
• Giumalău-Rarău Mountains (Munții Giumalău-Rarău) MMB
• Giurgeu Mountains (Munții Giurgeului) MMT
• Hăşmaş Mountains
  Hăşmaş Mountains
  The Hăşmaş Mountains, are limestone and sandstone massifs located in Romania in the Romanian Carpathian Mountain Range. The ranges include many cliffs and gorges, such as the Bicaz Gorge and the Panaghia Cliff....
  
  (Munții Hășmașu Mare) MMT