{{Infobox river | name = Sotla / Sutla | image = Rijeka Sutla Zelenjak.jpg | image_size = | image_caption = Sutla River in Zelenjak, between Klanjec and Kumrovec | source1_location = | mouth_location = Sava | mouth_coordinates = {{coord|45.8645|15.6835|format=dms|display=inline,title}} | progression = {{RSava}} | subdivision_type1 = Countries | subdivision_name1 = {{hlist|Slovenia|Croatia}} | length_km = 88.6 | length_ref = {{GeoQuelle|Sava||13}} | source1_elevation = {{convert|580|m|abbr=on}} {{GeoQuelle|SI|SURS}} | mouth_elevation = {{convert|135|m|abbr=on}} {{GeoQuelle|SI|SURS}} | discharge1_avg = | basin_size_km2 = 584.3 | basin_size_ref = {{GeoQuelle|Sava||13}} | mapframe = yes }} The '''Sutla''' ({{IPA|hr|sûtla|lang}}) or '''Sotla''' ({{IPA|sl|ˈsóːtla|lang}}) is a river flowing through Slovenia and Croatia, mostly forming their border. It is a tributary to the Sava, itself a tributary to the Danube. It is {{convert|89|km}} long and has a watershed area of {{convert|584|km2}}.{{GeoQuelle|Sava||13}}
==Overview== The Sutla flows through the following municipalities: *in Slovenia: Rogatec, Rogaška Slatina, Podčetrtek, Bistrica ob Sotli, Brežice *in Croatia: Đurmanec, Hum na Sutli, Desinić, Zagorska Sela, Klanjec, Kraljevec na Sutli, Brdovec
The hydrological parameters of the Sutla are regularly monitored in Croatia at Zelenjak.<ref>{{cite web | url = http://hidro.hr/hidro_e.php?id=hidro¶m=Podaci_e | title = Daily hydrological report | publisher = Croatian Meteorological and Hydrological Service | access-date = 2010-09-09}}</ref>
The division of the Sutla/Sotla basin area between Croatia and Slovenia is inconsistent in sources; Croatian sources claim either {{convert|343|km2|sqmi|abbr=on}}<ref>{{Croatia Yearbook 2015|page=49}}</ref> or {{convert|455|km2|sqmi|abbr=on}},<ref>{{cite web | url = http://www.sabor.hr/fgs.axd?id=4321 | language = hr | title = Karakteristike značajnijih vodotoka | work = Vodnogospodarska osnova Hrvatske - Strategija upravljanja vodama | publisher = Croatian Parliament | access-date = 2011-12-19 }}</ref> while Slovenian sources claim either {{convert|477|km2|sqmi|abbr=on}}<ref>[http://zgds.zrc-sazu.si/GV2007/gv79-1-prah.pdf] {{Webarchive|url=https://web.archive.org/web/20120227031932/http://zgds.zrc-sazu.si/GV2007/gv79-1-prah.pdf |date=2012-02-27 }} Visokovodni valovi – Sotla nad Draganjo in Draganja na izlivu (delovna verzija). Elaborat, Vodnogospodarski inštitut. Ljubljani, 2000.</ref> or {{convert|451|km2|sqmi|abbr=on}}.{{GeoQuelle|SI|SURS}}
Kozje Park (Slovene: {{lang|sl|Kozjanski park}}), established in 1981 as Trebče Memorial Park ({{lang|sl|Spominski park Trebče}}), is located in Slovenian territory west of the Sotla. It covers {{convert|206|km2|abbr=on}} of the landscape of the Kozje Hills ({{lang|sl|Kozjansko hribovje}}), including wetlands along the Sotla. It is the habitat of over 120 bird species and of about 950 higher plant species.<ref>{{cite book |url=http://www.arhiv.mop.gov.si/fileadmin/mop.gov.si/pageuploads/publikacije/drugo/zavarovana_obmocja.pdf |title=Zavarovana območja v Sloveniji |language=sl, en|trans-title=Protected Areas of Slovenia |publisher=Ministry of the Environment and Spatial Planning, Republic of Slovenia |first=Janez |last=Bizjak |isbn=978-961-6392-61-7 |year=2008}}</ref>
The earliest known mention of Sutla was in 1028, as ''Zontla''. The name is pre-Slavic in origin and comes from {{lang|sla-x-proto|*Sǫtъla}}. The root {{lang|ine-x-proto|*Sont-/*Sant-}} does not have a known meaning.<ref>{{cite journal|url=http://hrcak.srce.hr/118625|title=Predantički toponimi u današnjoj (i povijesnoj) Hrvatskoj|trans-title=Pre-Roman placenames in present-day (and historical) Croatia|journal=Folia onomastica Croatica|issue=22|date=March 2013|page=209|last=Šimunović|first=Petar|publisher=Croatian Academy of Sciences and Arts|location=Zagreb|language=hr|format=PDF|access-date=18 January 2016}}</ref>
==References== {{Reflist}}
==Bibliography== * {{cite journal |date=2017-12-31 |first1=Toni |last1=Koren |first2=Boris |last2=Lauš |first3=Martina |last3=Šašić |first4=Iva |last4=Mihoci |first5=Ana |last5=Štih |first6=Petra |last6=Bralić |first7=Stanislav |last7=Gomboc |title=Contribution to the Knowledge of the Butterfly Fauna (Lepidoptera: Papilionoidea) of Hrvatsko Zagorje, Croatia |pages=167–196 |url=https://hrcak.srce.hr/191533 |doi=10.20302/NC.2017.26.15 |journal=Natura Croatica: Periodicum Musei Historiae Naturalis Croatici |eissn=1848-7386 |volume=26 |issue=2|doi-access=free }}
==External links== *{{commons category-inline|Sutla}} {{-}} {{Hydrology of Croatia}} {{Hydrology of Slovenia}}
{{Authority control}} Category:Rivers of Styria (Slovenia) Category:Rivers of Croatia Category:International rivers of Europe Category:Croatia–Slovenia border Category:Border rivers