Where Are Salivary Glands Located? | A Quick Anatomy Guide

You probably picture salivary glands somewhere inside your cheeks, close to where you feel a tingle when biting into a lemon. That’s only part of the picture. The actual locations are more spread out than most people realize, and knowing the map can help you recognize swelling, pain, or dry mouth sooner. But the geography is more precise than you’d guess.

This article breaks down exactly where each major pair sits—parotid, submandibular, and sublingual—along with the hundreds of minor glands hiding in your lips, palate, and throat. No memorization test, just a clear mental picture of your mouth’s plumbing. This isn’t just trivia—it’s practical for understanding your own body.

The Three Major Pairs

Your body has three pairs of major salivary glands, and each pair sits in a distinct spot. The parotid glands are the largest—they’re located in front of and just below each ear, near the angle of your jaw. This is the pair that swells up noticeably with mumps or a blocked duct.

The submandibular glands rest underneath your jawbone, closer to the midline. You can feel them as soft lumps when you tilt your head back and press under your chin. They produce a slightly thicker saliva than the parotid glands because they contain both mucous and serous acini.

The sublingual glands are the smallest of the three major pairs. They sit below either side of your tongue, under the floor of your mouth. Their saliva is thick and mucoid, helping lubricate the oral cavity between meals. Together, the three major pairs produce roughly 95% of your total saliva.

Why Location Matters for Your Health

You don’t think about your salivary glands until something goes wrong. Their specific locations explain a lot about the symptoms you’d notice. Pain behind the ear, swelling under the chin, or a lump under the tongue each point to a different gland. Understanding the map can help you describe symptoms more accurately to your dentist or doctor.

• Parotid gland issues: Swelling near the ear or jaw angle often means a parotid problem. Duct stones or infections can cause pain when you eat, and the gland’s proximity to the facial nerve means serious infections need prompt attention.
• Submandibular gland problems: A tender lump beneath the jaw could be a stone blocking Wharton’s duct. These stones are more common than parotid stones because the submandibular saliva is thicker and more alkaline.
• Sublingual gland concerns: Swelling under the tongue is less common but can signal a ranula (a mucus cyst) or an infection in the floor of the mouth. Because the sublingual glands have both parasympathetic and sympathetic innervation, symptoms may come and go.
• Minor gland swelling: Hundreds of tiny glands line your lips, cheeks, and palate. A small bump on the inside of your lip is often a mucocele from a minor gland that’s been bitten or irritated.
• Dry mouth clues: If all glands feel less active, the location of the discomfort—front vs. back, upper vs. lower—can help your provider narrow down the cause, whether it’s medication side effects, autoimmune conditions, or dehydration.

Recognizing these patterns doesn’t replace a diagnosis, but it gives you the vocabulary to describe what you’re feeling. And in some cases, it can help you decide how soon to seek care.

How to Locate Your Own Salivary Glands

You can actually feel most of your major salivary glands if you know where to press. Start with the parotid glands: place your fingertips just in front of your ears and clench your jaw. You’ll feel a slight bulge as the gland contracts. The submandibular glands are easiest to find by tilting your head back and pressing firmly under your chin, just inside the jawbone. For the sublingual glands, press gently under your tongue on the floor of your mouth. The Cleveland Clinic’s guide on Sublingual glands location offers a detailed breakdown of this anatomy.

All three pairs secrete saliva through small ducts that empty into your mouth. The parotid gland duct opens near your upper second molar—you can sometimes feel a tiny ridge of tissue there. The submandibular and sublingual ducts open at the base of your tongue, under the frenulum.

These locations are consistent across most people, though the exact size and shape of the glands can vary slightly. The parotid gland is the most variable in size—some people have a larger superficial lobe that extends further forward.

When to Pay Attention to Your Salivary Glands

Most of the time, your salivary glands work silently. But certain symptoms suggest they need a closer look. The National Institute of Dental and Craniofacial Research (NIDCR) outlines key signs of salivary gland disorders. Here are the most common scenarios where knowing the location helps:

1. Pain or swelling before meals: If your parotid or submandibular gland swells just as you start eating, it often indicates a blocked duct. The gland produces saliva but can’t release it, causing pressure and pain that fades after you stop eating.
2. A lump that doesn’t go away: A persistent, painless mass in the parotid or submandibular area could be a tumor. While most salivary gland tumors are benign, they still need evaluation—especially if they’re firm and fixed to surrounding tissue.
3. Dry mouth with no obvious cause: When all major glands seem underactive, the problem might be systemic—Sjögren’s syndrome, medication side effects, or radiation damage. The location of the dryness (front vs. back) can help your doctor pinpoint which glands are affected.
4. Sudden, sharp pain under the tongue: This could indicate a sublingual gland stone or a ranula. The pain is often worse when you move your tongue or swallow, and the area may feel tender to the touch.
5. Redness and fever over a gland: Infection (sialadenitis) can cause the skin over the gland to become red, hot, and painful. The parotid is most commonly affected, but any major gland can become infected, especially in people with reduced saliva flow.

If any of these symptoms sound familiar, it’s worth scheduling a visit with a dentist or an ear, nose, and throat specialist. Most salivary gland issues are treatable, especially when caught early.

Hundreds of Minor Glands You Can’t Feel

Beyond the three major pairs, you have an estimated 600 to 1,000 minor salivary glands scattered throughout your mouth and upper airway. They’re tiny—about 1 to 2 millimeters each—and you can’t feel them individually unless they become swollen or inflamed. Their locations include the inner surface of your lips, the lining of your cheeks, the hard and soft palate, the throat, and even the nasal cavity.

The minor glands produce a small fraction of your total saliva, but their contribution matters. They secrete a mucous-rich fluid that keeps the oral mucosa moist and protected between meals. Unlike the major glands, they don’t have prominent ducts; they release saliva directly into the tissue. The NIDCR’s salivary gland guide notes that minor glands are often the first to show signs of autoimmune conditions like Sjögren’s syndrome, because they’re more sensitive to inflammation.

When a minor gland gets blocked by thickened mucus or minor trauma, it can form a small, bluish bump called a mucocele. These are harmless and often resolve on their own, but they’re a good reminder that even the smallest glands have a job to do.

The Bottom Line

Your salivary glands are spread from your ears down to your chin and across the floor of your mouth, with three major pairs doing most of the work and hundreds of minor ones handling the details. Knowing where each gland sits helps you understand symptoms like ear pain, jaw swelling, or a lump under your tongue, and it can make your conversation with a healthcare provider more productive.

If you notice persistent swelling, pain when eating, or a lump that doesn’t go away within two weeks, a dentist or an ear, nose, and throat specialist can examine your glands and, if needed, use imaging to check for stones or other blockages.