The following is a list of every identifiable location featured in Hey Arnold!, including the main series and both movies. While some locations are prominent and recurrent others are featured only once, seen in characters' fantasies/dreams or even just mentioned but not actually shown.
Some locations have well established names, while others are given generic names based on its owner (if any), purpose or how characters refer to it.
Generic locations like streets, bus stops and roads are not included.
Hillwood[]
Educational institutions[]
- Madame Bovary's Dance School for Boys ("Ransom")
- Madame Parvenu's Finishing School ("Polishing Rhonda")
- P.S. 118 (est. 1932)
- Auditorium, named for President Woodrow Wilson
- Classroom 206
- Cafeteria
- Gym
- Playground
- Principal Wartz's office
- Coco Hut ("Helga's Show")
- Urban Tots Preschool ("Helga on the Couch")
Recreation[]
Entertainment[]
- Avon (movie theater) ("Jamie O in Love")
- Aquarium ("Field Trip")
- Arcade (several)
- Bowling alley ("Coach Wittenberg (episode)")
- Circle Theater ("The Old Building")
- Community Center ("6th Grade Girls")
- Dinoland
- Ernie's Pool Hall ("Downtown as Fruits")
- The Kiska (movie theater)
- Skate Time rollerskating rink ("Helga's Boyfriend")
- Wanky Land ("Buses, Bikes, and Subways")
- Zoological Garden
Cultural buildings[]
Spiritual sites[]
Sports[]
Authority buildings[]
- City Hall
- Federal Office of Information ("Arnold's Christmas", Hey Arnold!: The Movie)
- Police Precinct 2, Vine Street substation
- Fire Station ("Career Day")
- Red Shed ("Gerald's Game")
Cafés and Restaurants[]
- Antonio's Pizzeria ("Pigeon Man")
- Bigal's Cafe ("Intro")
- Chez Paris
- Chez Pierre
- Deli ("Mugged")
- Dewey's Milkshake House ("New Teacher")
- The Donut Café ("Career Day")
- El Patio ("Family Man")
- The Fudge Place ("New Teacher")
- Mickey's Dog Pound ("Dangerous Lumber")
- Mixtas Hot Dogs ("Phoebe Takes the Fall")
- O'Conner's ("Eugene Goes Bad")
- Omar's Falafel Hut ("Helga's Makeover")
- Root Beer Palace ("Grudge Match")
- Salome's Pizzeria ("Big Gino")
- Slausen's Ice Cream Parlor
- Steak House ("Big Bob's Crisis")
- Sub King ("Helga Sleepwalks")
- Sundae Salon ("Hey Harold!")
- Tri-State Diner ("Grandpa's Packard")
Medical institutions[]
- Drymon Medical Clinic
- Gentle Dentistry ("Helga Blabs It All")
- Hillwood City Pharmacy ("Arnold's Thanksgiving")
- Hillwood Medical Center ("Helga on the Couch")
- Metro Tonsils ("Gerald's Tonsils")
Transportation service[]
- Airport
- Pier
- Union Station (abandoned train station) ("Haunted Train")
- Bus Depot
Other business enterprises[]
- Baby Town ("Gerald's Secret")
- Bicycle Store ("Hey Harold!")
- Big Bob's Beeper Emporium
- Car Wash ("Grudge Match")
- Comics Store ("Weighing Harold")
- Computer Time ("Arnold's Christmas")
- Copy Stop ("Abner Come Home")
- Corner Store ("Helga's Makeover")
- Crown Jewel ("Helga's Locket")
- Fake-A-Bake ("Heat")
- Furniture Warehaus ("Grudge Match")
- Future Tech Industries (Hey Arnold!: The Movie)
- Gene's Hi-Fi ("Cool Jerk")
- Georgia's Candles ("Benchwarmer")
- Green Meats
- Holiday's Home Furnishings ("Arnold's Thanksgiving")
- Holly’s (candy store) ("Oskar Can't Read?")
- Horco ("Oskar Gets a Job")
- Hoske's ("Arnold's Christmans")
- House of Costumes ("Hookey")
- J.J.'s Sausage Company ("Arnold's Hat")
- Jennings Hardware ("Freeze Frame")
- Kacy's ("Arnold's Christmas")
- Karaoke Klub ("Principal Simmons")
- Lamoreaux's Bookstore
- Madame Blanche’s Love Potion Shop
- Notani Tire Company ("Gerald's Secret")
- Paddle Paul's Canoe Rentals ("Harold's Bar Mitzvah")
- Park's Lucky Grocery Company ("Hookey")
- Pet Love ("Helga's Parrot")
- Robertson Records ("Mr. Hyunh Goes Country")
- Roscoe's Funky Rags ("Downtown as Fruits", "Monkeyman!")
- Satellite Industries ("Door Number 16")
- Son Studios ("Mr. Hyunh Goes Country")
- Suber's Optometry and Boutique ("Rhonda's Glasses")
- Talent Agency ("School Dance")
- Tedesco Industries ("Oskar Gets a Job")
- Tildales ("Arnold's Christmas")
- Toller's Bowlers ("Door Number 16")
- Tom's Market ("Heat")
- Vic & Morrie's Garage ("Grandpa's Packard")
- Wang's Bait & Tackle ("Big Caesar")
- Watch Repair ("Arnold's Christmas")
- Yahoo Chocolate Factory ("Buses, Bikes, and Subways")
Residential buildings[]
- Big Gino's place
- Dino Spumoni's house
- Eugene's house
- Frankie G.'s house
- Gerald's house
- Harold's house
- Helga's house
- Jolly Olly Man's house
- Lila's house
- Lloyd's Rest Home ("Part Time Friends")
- Lorenzo's house
- Maria's house
- Patty's house
- Phoebe's house
- Principal Wartz's house
- Rex Smythe-Higgins's house
- Rhonda's house
- Sammy Redman's house ("Rich Guy")
- Sid's house
- Mr. Simmons' house
- Stinky's house
- The Sunset Arms
Washington, DC[]
Other[]
- Arkansas (mentioned in "Stinky's Pumpkin")
- Stinky Farms (possibly out of business) ("Stinky's Pumpkin")
- Stinky's Stand (produce stand; most likely out of business) (pictured in "Stinky's Pumpkin")
- Arnie's hometown (possibly imaginary) ("Arnold Visits Arnie")
- Arnie's farm (possibly imaginary) ("Arnold Visits Arnie")
- Country Store (possibly imaginary) ("Arnold Visits Arnie")
- Doris Floral (possibly imaginary) ("Arnold Visits Arnie")
- 1st Bank (possibly imaginary) ("Arnold Visits Arnie")
- The Odeon (movie theater; possibly imaginary) ("Arnold Visits Arnie")
- Swimming Hole (possibly imaginary) ("Arnold Visits Arnie")
- Big Guy's Restaurant ("Road Trip")
- Floyd's Restaurant ("Road Trip")
- Grease Pit ("Coach Wittenberg")
- Stan's Car Repair Shop ("Road Trip")
- Olga's school in Alaska ("Student Teacher")
- Lighthouse ("Married")
- New York City ("Married")
- San Lorenzo ("The Journal", Hey Arnold!: The Jungle Movie)
- Venice, Italy ("Married")
- The Wheeler Inn ("Road Trip")