Your crowd
One event. One group.
THE UNDERGROUND · LOZENETS · SOFIA
The whole venue.Only your crowd.
A private venue for birthdays and company events with up to 100 guests. Bar, stage, professional sound, lighting and a 4×5 m screen already on site.
A venue shaped around your occasion.
UP TO 100 GUESTS · A VENUE FOR EVERY OCCASION · BAR · STAGE · SOUND · LIGHTING · 4×5 M SCREEN ·
YOU ARE NOT BOOKING A TABLE
You are booking Underground.
No neighbouring party.No unrelated guests.No someone else’s playlist.
For a private booking, the full venue is yours. The space, music, lighting and programme follow your event.
Your programme
DJ, speeches, video, screening, dancing or a mix.
Your atmosphere
Lighting and layout adjust to the format.
BUILT FOR YOUR OCCASION
Two occasions Underground is built for.
Birthday
A birthday that does not end at one table.
Bring your people, choose the music and take over the full space. The bar, stage, sound, lighting and screen are already here.Birthday at Underground↗Company event
From presentation to party. One venue.
Screen, stage and sound for the formal part. Bar, music and lighting for what comes next. No venue change halfway through the evening.Company events↗WHAT YOU GET
You are not starting with an empty room.
The main event infrastructure is already in place.
Stage and professional sound
For a DJ set, presentation, speeches, live session or performance.
Adjustable lighting
Lighting follows the format, from a calmer evening to a club atmosphere.
4×5 m screen
For presentations, photos, video, branding and screenings. HDMI connection.
Bar and bartender
A stocked bar with service on site. Drinks are charged by consumption.
Entrance host
A host welcomes guests and helps the evening run smoothly.
Quiet room
A separate space for a conversation, a pause or time away from the main hall.
ONE VENUE. DIFFERENT NIGHTS.
The space changes character with your event.
One night it is a party. The next it is a presentation, screening or market. Layout, lighting and technical setup follow the format.
COMPANY CHRISTMAS PARTIES · 2026
From the annual review to the dance floor. One venue.
A stage, 4×5 m screen and professional sound for presentations and awards. Bar, DJ format and lighting for the party. Up to 100 guests in Lozenets.
See company event optionsCheck a preferred and backup December date.HOW IT STARTS
Three things are enough to start.
The date
Tell us when you want it to happen.
The guests
Share an approximate guest count.
The idea
Birthday, company event, private party or another format.
We then confirm timing, layout, programme and technical details.
Check your date↘PUBLIC PROGRAMME
Sometimes Underground is ours too.
DJ nights, markets, screenings and special formats. Public events have their own programme and entry details.
See the programmeNew dates appear first on Instagram.QUICK ANSWERS
Before you write.
01How many guests fit?＋
Up to 100 guests. The best layout depends on the type of event and programme.
02Is the full venue private?＋
Yes. Private bookings use the full venue and we host one event at a time.
03What is available on site?＋
A stage, professional sound, adjustable lighting, a 4×5 m HDMI screen, stocked bar with bartender, entrance host and quiet room.
04Are drinks included in the hire?＋
The bar and service are on site. Drinks are charged according to actual consumption.
05How much does it cost?＋
The quote depends on the date, duration, guest count and format. Send a short outline for a specific offer.
06Where is Underground?＋
At 4 Chervena Stena St in Lozenets, Sofia.
THE UNDERGROUND EVENT HALL
Have a date?See if it is free.
Date, approximate guest count and occasion. That is enough to start.
Or call: +359 889 866 266