

Cârna commune is situated in the southern part of the country, in the development Region South- West Oltenia.
Within Dolj county, the locality is localized in its southern part, respectively in the south -east part of Desnăţui Plain, being situated in the meadow and on the terraces of Danube.
In the same time, Cârna commune is situated at the western part of Desnăţui river and in the northern part of Bistreţ lake.
Between these limits, the total surface of Cârna commune is 8351 ha.
Cârna commune is situated on the upper terrace of the Danube.
The territory of the commune Cârna is a part of Oltenia Plain and it is situated on the following geomorphological units:
-the upper terrace of the Danube
-the down terrace of the Danube
-the meadow of the Danube.
The floods constitute frequent phenomena, which have some serious risks for the man and his activities. Being the most well known hazard from the Globe, firstly it occupies the first place concerning the damages determined by the natural catastrophes, annually determining big economic losses, the death of tens of thousands of people, seriously affecting in different forms, some other hundreds of thousands of persons.
The experts from the Romanian Waters say that in the recent history, on the territory of Romania, the Danube has produced three big floods. The most significant hydrological events took place in January 1998, March - May 2006 and June - July 2010. The biggest damages have been produced during the floods from 2006, when Carna locality was also seriously affected.
Normally the maximal debits of the Danube are produced in the spring-summer season, the peaks being produced more frequently in April- May. There are also some exceptions, when the peaks of the flash floods waves are produced in December and January or towards the end of the summer, in August-September.
The maximal values of the debits are the ones which have been produced in the spring-summer period, being considered in fact the big waters of the Danube.
At Cârna, the school operates since the year 1863, the expenses for its construction being paid by the commune and it is attended by 53 boys and 8 girls.
The school places date from 1906, the one with four classrooms and from 1968, the one with five classrooms. There has also been raised a building, in 1949, with 4 classrooms, which is now the headquarters of Cârna Town hall.
After the floods from the spring of 2006, the building raised in 1906 was seriously affected, being demolished and thus, in the autumn of 2007 a new location has been given for use, location where the primary cycle is operating.