sentences:  Of the rest of the land, 3.7% is settled (buildings or roads) and 13.0% is unproductive land.The former municipality is located in the Östlich Raron district, on the northern slopes of the Rhone valley.The blazon of the municipal coat of arms is "Or a Sword Azure hilted Sable inverted in bend sinistre covered with a cloth Gules in base Coupeaux Vert"
  
  Martisberg had a population (as of 2011) of 19. , about 9.1% of the population are resident foreign nationals.