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A Slovenian mineral-water brand associated with its distinctive three-hearts emblem.

Last updated August 31, 2026

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Overview

Radenska is a Slovenian mineral-water brand originating in Radenci, a town whose natural mineral-water resources underpin the brand’s identity. Its commercial development began in 1869, when Karl Henn, who owned land in the area, filled the first bottles of mineral water. This early bottling activity marked the beginning of a mineral-water business that later became one of Slovenia’s oldest and best-known brands. The brand is principally associated with bottled mineral water and has also operated within the broader beverage category. Radenska’s geographic identity is unusually strong: its name derives from Radenci, linking the product directly to its source and place of production. The brand’s historical significance extends beyond Slovenia, as it has been described as a worldwide-known mineral-water brand and has maintained recognition in markets connected to the former Yugoslav region and the wider Central European beverage industry. Radenska’s most recognizable visual asset is the three-hearts symbol, used with the Radenska Tri srca name since 1936. The emblem was designed in 1931 by illustrator Milko Bambič. The three hearts are commonly understood as representing Serbs, Croats, and Slovenes, the three principal South Slavic constituent peoples associated with the Kingdom of Yugoslavia at the time. This symbolism gave the brand a memorable identity that could function across linguistic and national boundaries, while also embedding Radenska in the cultural history of the region. A major ownership transition occurred in December 2014, when Czech beverage company Kofola acquired Radenska from the Slovenian government. The transaction was reported at an approximate valuation of €70 million. The acquisition placed Radenska within a larger Central European beverage portfolio while preserving its status as a distinct Slovenian brand. Radenska d.o.o. remains the trademark holder identified with the brand. The brand’s core proposition rests on natural mineral water, source heritage, Slovenian provenance, and long continuity. Its principal public-facing differentiation is not a complex product architecture but the combination of a historic spring location, more than a century of bottling history, and the highly recognizable three-hearts mark. Detailed information on current product variants, market-by-market distribution, leadership, and recent marketing activity is not established in the supplied reference material.

History

Radenska’s history is rooted in the mineral-water resources of Radenci in northeastern Slovenia. The commercial development of the company began in 1869, when Karl Henn, the owner of land in the area, filled the first bottles of mineral water. This initial bottling activity established the foundation for a business that would become closely identified with the locality and eventually develop into one of Slovenia’s oldest brands. The brand’s identity was later strengthened through a distinctive graphic mark. Illustrator Milko Bambič designed the three-hearts symbol in 1931. The mark was subsequently used with the Radenska Three Hearts, or Radenska Tri srca, name from 1936. The three hearts are traditionally interpreted as a reference to Serbs, Croats, and Slovenes, the three former constituent peoples associated with the Kingdom of Yugoslavia. The emblem gave Radenska a compact and memorable visual language and helped it communicate across the multilingual and politically changing markets of the region. Radenska became known primarily for mineral water, while also operating in the broader beverage sector. Its source-based identity remained central: the brand connected the bottled product with Radenci, its Slovenian place of origin, and with a long history of mineral-water production. This combination of locality, heritage, and a recognizable symbol contributed to Radenska’s status as one of the most established Slovenian consumer brands and as a mineral-water name recognized beyond Slovenia. A significant change in the company’s corporate history took place in December 2014. The Czech beverage group Kofola acquired Radenska from the Slovenian government. The transaction was reported at an approximate valuation of €70 million. The acquisition shifted Radenska into private ownership within a broader Central European beverage group, while the Radenska name and brand identity continued as a distinct Slovenian offering. Radenska d.o.o. is identified with the trademark. The supplied reference material does not provide a detailed account of later product launches, changes in packaging, distribution by country, executive appointments, or current financial performance. Accordingly, the documented history is strongest for the brand’s origin, the creation and adoption of the Three Hearts identity, and the 2014 ownership transition.

  • 2014

    Acquisition by Kofola

    [1]

    Kofola acquired Radenska from the Slovenian government in December 2014 in a deal reported at approximately €70 million.

  • 1936

    Radenska Three Hearts name enters use

    [1]

    The Radenska Tri srca, or Radenska Three Hearts, brand name began being used with the emblem.

  • 1931

    Three Hearts emblem designed

    [1]

    Illustrator Milko Bambič designed the three-hearts symbol that became Radenska’s defining visual identity.

  • 1869

    First bottling of Radenci mineral water

    [1]

    Karl Henn filled the first bottles of mineral water at Radenci, beginning the commercial development of the mineral-water business associated with Radenska.

Products and positioning

A heritage Slovenian mineral-water brand built around natural source identity, regional recognition, and the historic Three Hearts visual symbol.

  • Mineral water

    Radenska mineral water

    The core Radenska offering is bottled mineral water associated with the natural mineral-water resources of Radenci, Slovenia. The product’s identity is based on source provenance and the continuity of local bottling that began in the nineteenth century. It is the principal category for which Radenska is known.

  • Mineral water brand · 1936

    Radenska Three Hearts

    Radenska Three Hearts, also known as Radenska Tri srca, is the signature branded expression associated with the company’s mineral water. Its defining feature is the three-hearts emblem designed by Milko Bambič in 1931 and used with the name since 1936. The symbol is traditionally linked to Serbs, Croats, and Slovenes.

  • Non-alcoholic beverages

    Radenska beverages

    Radenska is also described as operating in the broader beverage category in addition to its mineral-water business. The supplied reference material does not specify the current range, formulations, or individual product names for these beverage offerings.

Brand decisions

  • 2014

    Kofola acquisition of RadenskaM&A

    Background

    Radenska was owned by the Slovenian government before the transaction, and Kofola sought to acquire the established mineral-water brand as part of its beverage business.

    Action taken

    Kofola purchased Radenska from the Slovenian government in December 2014.

    Aftermath

    Radenska became part of Kofola’s broader beverage group while continuing as a distinct Slovenian brand associated with Radenska d.o.o.

    Reported transaction valuation. Approximately €70 million valuation (December 2014)

Sources1 sources

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