Abrahámsky Park is a nature reserve in the Slovak municipality of Abrahám. It covers an area of 10.85 ha and has a protection level of 4.
Havrania dolina is a valley and nature reserve in the Slovak county of Brezno in the municipality of Šumiac. It covers an area of 229.67 ha and has a protection level of 5 under the slovak law.
Alúvium Blhu is a nature reserve in the Slovak county of Rimavská Sobota in the municipality of Hrušovo. It covers an area of 2,79 ha and has a protection level of 4 under the slovak law. It is part of the Cerová vrchovina Protected Landscape Area
Vanišovec is a nature reserve in the Slovak municipality of Šaštín-Stráže. It covers an area of 196 ha and has a protection level of 4 and 5.
Čistiny is a nature reserve in the Slovak municipality of Kamenný Most. It covers an area of 17,8 ha and has a protection level of 4 on national level. The national nature reserve was declared to protect the remnants of halophyte vegetation. Čistiny is located close to the Kamenínske slanisko national nature reserve with which it creates the biggest halophilous vegetation habitat remaining in Slovakia. Until the middle of the 20th century the area was known for its Puccinellietum limosae habitat. Recent research showed no evidence of these plants anymore.
Abrod is a national nature reserve in the Slovak municipality of Veľké Leváre in the Malacky District. The nature reserve covers an area of 92 ha of the Borská lowland area. It has a protection level of 4 under the Slovak nature protection system. The nature reserve is part of the Site of Community Importance with the same name which measures 162 ha. Since 1988 it is also a part of the Záhorie Protected Landscape Area.
Dolný les is a national nature reserve in the Slovak municipality of Vysoká pri Morave in the Malacky District. The nature reserve covers an area of 186.26 ha of the Borská lowland area. It has a protection level of 4 under the slovak nature protection system. The nature reserve is part of the Záhorie Protected Landscape Area.
Horný les is a national nature reserve in the Slovak municipality of Vysoká pri Morave in the Malacky District. The nature reserve covers an area of 543 ha of the Morava floodplains. It has a protection level of 4 under the Slovak nature protection system and is part of the Natura 2000 network. The nature reserve is part of the Záhorie Protected Landscape Area. Together with the Austrian Marchauen reserve managed by World Wide Fund for Nature and the national nature reserve Dolný les, which extends toward the south, it forms one of the largest continuous complexes of floodplain forests in Pomoravia.
Kopáčsky ostrov is a nature reserve in the Podunajské Biskupice district of Bratislava, Slovakia. The nature reserve covers an area of 82.62 ha on the left shore of the Danube. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Dunajské luhy Protected Landscape Area.
Panský diel is a nature monument in the Podunajské Biskupice district of Bratislava, Slovakia. The nature monument covers an area of 15,60 ha on the left shore of the Danube. It has a protection level of 4 under the Slovak nature protection system. The protected area is part of the Dunajské luhy Protected Landscape Area.
Gajc is a nature reserve in the Podunajské Biskupice district of Bratislava, Slovakia. The nature reserve covers an area of 62.72 ha on the left shore of the Danube. It has a protection level of 4 under the Slovak nature protection system. The nature reserve is part of the Dunajské luhy Protected Landscape Area.
Topoľové hony is a nature reserve in the Podunajské Biskupice district of Bratislava, Slovakia. The nature reserve covers an area of 60.06 ha on the left shore of the Danube. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Dunajské luhy Protected Landscape Area.
Horné lazy is a nature reserve in the Slovak municipality of Valaská in the Brezno District. The nature reserve covers an area of 34 ha in the Low Tatras mountain area. It has a protection level of 4 under the slovak nature protection system which corresponds to a protection level I according to IUCN standards.
Meandre Hrona is a nature reserve in the Slovak municipalities of Telgárt and Šumiac in the Brezno District. The nature reserve covers an area of 104 ha of the upper Hron river between the Telgárt and Červená skala railway stations. It has a protection level of 4 under the Slovak nature protection system. The nature reserve is located in the protective border around the Low Tatras National Park.
Čertova dolina is a nature reserve in the Slovak municipality of Tisovec in the Rimavská Sobota District. The nature reserve covers an area of 49 ha. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Muránska planina National Park.
Ostrov orliaka morského is a national nature reserve in the Slovak municipality of Baka in the Dunajská Streda District. The nature reserve covers an area of 22.77 ha of the Danube floodplain area. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Dunajské luhy Protected Landscape Area.
Kráľovská lúka is a nature monument in the Slovak municipality of Bodíky in the Dunajská Streda District. The nature reserve covers an area of 32.4 ha of the Danube floodplain area. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Dunajské luhy Protected Landscape Area.
Dunajské trstiny is a nature reserve in the Slovak municipalities of Veľké Kosihy and Klížska Nemá in the Komárno District. The nature reserve covers an area of 104.1016 ha of the Danube floodplain area. It has a protection level of 4 under the Slovak nature protection system.
Pod Pajštúnom is a nature reserve in the Slovak municipalities of Stupava and Borinka in the Malacky District. The nature reserve covers an area of 141 hectares of forests in the Little Carpathians. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Little Carpathians Protected Landscape Area.
Šarkanica is a national nature reserve in the Slovak municipalities of Tisovec and Muráň in the Revúca and Rimavská Sobota District. The nature reserve covers an area of 454 ha. It has a protection level of 5 under the Slovak nature protection system. The nature reserve is part of the Muránska planina National Park.
